The role of cytotoxic T cells in IgG4-related dacryoadenitis and sialadenitis, the so-called Mikulicz’s diseaseThe role of cytotoxic T cells in IgG4-related dacryoadenitis and sialadenitis, the so-called Mikulicz’s diseaseIgG4関連涙腺・唾液腺炎、ミクリッツ病における細胞障害性T細胞の役割